The Riedel VITIS series wine glasses are a varietal specific stemware line known for it‘s award winning architectural design, represents the pinnacle of translating a wine's message to the human senses. Each grape varietal carries its unique DNA which denotes the wine's individual fingerprint. The Riedel VITIS series wine glass designs are based on the exceptional characteristics of each grape variety, which in turn determines the shape, size and rim diameter of the bowl. The latest machine blown technology, in conjunction with the seamless pulled stem offers a special design feature architecture that creates an indent in the bottom of the bowl, reflecting the light and adding another dimension to the lively color of wine. Riedel VITIS series wine glasses are executed in lead crystal, machine blown pulled stem, made in Bavaria, Germany. They are dishwasher safe, but hand-washing is recommended for all fine Riedel glassware.